A strip of aluminium is put into a test-tube of aqueous lead(II) nitrate and is left for several minutes. Aluminium is above lead in the reactivity series. Which statement explains why lead is not displaced by this strip of aluminium?
- AA thin insoluble layer of aluminium nitrate forms on the aluminium.
- BNitrate ions are reduced in aqueous solution.
- CThe ionic bonds between lead and nitrate ions are too strong.
- DThere is an unreactive oxide layer on the aluminium.